Capacity and system planning example
In this example, Rational® Asset Manager supports
200 concurrent users and 10,000 assets.
Every asset contains one artifact; the artifacts vary
in size:
- The largest artifact is 375 MB
- The smallest artifact is 4 KB
- 80% of the artifacts are smaller than 10 KB
- 12% of the artifacts are 10 - 100 KB in size
- 5% of the artifacts are 100 KB - 1 MB in size
- 3% of the artifacts are 1 - 375 MB in size
Your users are doing these activities:
- 90% of the time, they are searching with keywords to find, view, and then download assets.
- 5% of the time, they are submitting assets.
- 5% of the time, they are viewing their My Dashboard page, community pages, or forums.
For this configuration of assets and user activity, you
need this minimum equipment:
- A high-speed internal network
- A server dedicated to running WebSphere® Application
Server and the included IBM® DB2®. The server must meet these
specifications:
- Processor: a dual-processor 64 bit CPU
- Memory: at least 4 GB of RAM
- Usage: dedicated to running WebSphere Application Server and IBM DB2
- Performance settings: WebSphere Application Server is configured to use a JVM heap size of 2 GB, which is the recommended maximum
- Storage: on your hard disk drive, you need at least 50 GB for the persist (artifact) storage, 2 GB for storing the search index, 5 GB for the asset database, and 5 GB for the lifecycle database
In general, to support more concurrent users you must add more nodes and servers (which requires WebSphere Application Server Network Deployment edition), increase the memory, or use faster hard disks.